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An antiviral chewing gum to reduce influenza and herpes simplex virus transmission
(penntoday.upenn.edu)
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rule #1: be kind
They actually do: it's 5/5 natural/artificial gum brands, 7 pieces each, and chewed by one person.
Agreed with the rest though
I read it twice trying to find the sample size. I missed it both times. I should slow down on my reading.
Thanks for the update.